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| author | David Woodhouse <dwmw@amazon.co.uk> | 2017-04-12 13:26:04 +0100 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-04-20 08:47:47 -0500 |
| commit | 6a94ca14c389b00515b026cd35bcd074dec6f7ff (patch) | |
| tree | 2f9973c89c78bdb96494dd3eb724ca50db3a83ea /arch/parisc | |
| parent | 903bdbe271217f656d13767d8a3e74b8aabc54c2 (diff) | |
| download | linux-6a94ca14c389b00515b026cd35bcd074dec6f7ff.tar.gz linux-6a94ca14c389b00515b026cd35bcd074dec6f7ff.tar.bz2 linux-6a94ca14c389b00515b026cd35bcd074dec6f7ff.zip | |
parisc: Use generic pci_mmap_resource_range()
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/include/asm/pci.h | 1 | ||||
| -rw-r--r-- | arch/parisc/kernel/pci.c | 29 |
2 files changed, 1 insertions, 29 deletions
diff --git a/arch/parisc/include/asm/pci.h b/arch/parisc/include/asm/pci.h index bb9ea9003e08..1de1a3f412ec 100644 --- a/arch/parisc/include/asm/pci.h +++ b/arch/parisc/include/asm/pci.h @@ -200,5 +200,6 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) } #define HAVE_PCI_MMAP +#define ARCH_GENERIC_PCI_MMAP_RESOURCE #endif /* __ASM_PARISC_PCI_H */ diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c index 653877553acd..13ee3569959a 100644 --- a/arch/parisc/kernel/pci.c +++ b/arch/parisc/kernel/pci.c @@ -227,35 +227,6 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res, return start; } - -int pci_mmap_page_range(struct pci_dev *dev, int bar, - struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine) -{ - unsigned long prot; - - /* - * I/O space can be accessed via normal processor loads and stores on - * this platform but for now we elect not to do this and portable - * drivers should not do this anyway. - */ - if (mmap_state == pci_mmap_io) - return -EINVAL; - - if (write_combine) - return -EINVAL; - - /* - * Ignore write-combine; for now only return uncached mappings. - */ - prot = pgprot_val(vma->vm_page_prot); - prot |= _PAGE_NO_CACHE; - vma->vm_page_prot = __pgprot(prot); - - return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, - vma->vm_end - vma->vm_start, vma->vm_page_prot); -} - /* * A driver is enabling the device. We make sure that all the appropriate * bits are set to allow the device to operate as the driver is expecting. |